CVE-2019-14048 in Snapdragon Auto
Summary
by MITRE
Possible out of bound memory access while playing a crafted clip in media player in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in SM8150
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 03/06/2020
This vulnerability represents a critical out-of-bounds memory access flaw affecting multiple Qualcomm Snapdragon device categories including automotive, mobile, and IoT platforms. The issue manifests specifically during media playback when processing crafted malicious clips, creating a potential pathway for arbitrary code execution or system instability. The affected Snapdragon chipsets span across various product lines including SM8150, indicating a widespread impact across Qualcomm's hardware portfolio. The vulnerability stems from insufficient bounds checking during media file parsing, allowing malicious input to overwrite adjacent memory regions beyond allocated buffers. This type of flaw falls under the CWE-129 category of Improper Validation of Array Index, where the system fails to validate input data before using it as an array index. The attack surface is particularly concerning given the widespread deployment of these chipsets in automotive infotainment systems, mobile devices, and industrial IoT applications where media playback is a common function.
The technical exploitation of this vulnerability requires careful crafting of media files that trigger the specific parsing path leading to the out-of-bounds memory access. Attackers can potentially leverage this flaw to execute arbitrary code with the privileges of the affected media player application, which typically runs with elevated permissions to handle multimedia content. The operational impact extends beyond simple system crashes to potentially enable full system compromise, especially in automotive environments where infotainment systems may be connected to critical vehicle functions. The vulnerability's presence in Snapdragon Auto platforms raises particular security concerns as these systems often handle sensitive data and may interface with vehicle control systems. From an attacker perspective, this flaw aligns with ATT&CK technique T1059.007 for Command and Scripting Interpreter, where malicious media files can serve as initial attack vectors to establish persistence or execute payloads within the target environment.
Mitigation strategies for this vulnerability should focus on both immediate patching and operational security measures. Qualcomm has released security updates addressing this specific flaw, requiring device manufacturers to implement these patches in their firmware updates. Organizations should prioritize updating all affected Snapdragon-based devices, particularly those in automotive and industrial environments where the risk profile is elevated. Network segmentation and media file validation controls can provide additional layers of defense by preventing the execution of untrusted media content. Security monitoring should include detection of unusual media playback patterns or memory access anomalies that might indicate exploitation attempts. The vulnerability demonstrates the importance of secure coding practices in multimedia processing libraries and highlights the need for comprehensive input validation across all system components handling user-supplied data. Regular security assessments and penetration testing of media processing pipelines can help identify similar flaws before they can be exploited in the wild, particularly in embedded systems where patch management may be challenging.